2023 National Parks Stamp Series Features Manhattan Project National Historic Park

Courtesy MPNHP


Manhattan Project National Historical Park (NHP) takes center stage as the national stamp in the highly anticipated 2023 Passport to your National Parks® Stamp Set released by Eastern National on November 1. The national stamp is the large center stamp in a collection of 10 stamps that honor national parks. Sure to become a collector’s item, the 2023 national stamp features three photos from Manhattan Project NHP locations in New Mexico, Tennessee, and Washington. The park was selected because its locations and historical buildings represent the nation’s diverse geography while weaving together many themes of national importance.  

 “The park turns seven this month as it debuts in the 2023 stamp set. The national stamp provides a wonderful opportunity to showcase the park and invite people to learn about and visit the park throughout the year,” said Wendy Berhman, Acting Park Superintendent.  

Manhattan Project NHP commemorates the top-secret project that ushered in the nuclear age with the development of the world’s first atomic bombs.  The building of atomic weapons began in 1942 in three communities across the country.  Los Alamos, NM built the atomic bombs using plutonium from Hanford, WA and enriched uranium from Oak Ridge, TN.  The national stamp features three historic buildings: B-Reactor in Hanford WA; Pond Cabin in Los Alamos, NM; and X-10 Graphite Reactor in Oak Ridge, TN. 

Since 1986, national park visitors have turned to the Passport to Your National Parks® stamps to preserve memories of their park travel by collecting ink cancellations at each national park they visit. The Eastern National 2023 Passport to your National Parks® Stamp Set will be available through its retail outlets and through some of the park partners at each park site.